Guest Stars Randy Flagler as Firefighter Harold Capp Steven R. McQueen as Jimmy Borrelli Marina Squerciati as Officer Kim Burgess Nick Gehlfuss as Dr. Will Halstead Yaya DaCosta as Nurse April Sexton Gordon Clapp as Chaplain Orlovsky Brian White as Captain Dallas Patterson Fredric Lehne as Deputy District Chief Ray Riddle Co Starring Anthony Ferraris as Squad 3 Driver Tony Ferraris DuShon Brown as Connie Eric Lynch as Police Officer Aaron Norman as David Angelica Herndon as Becca Cerall Duncan as Becca's Mother Theo Allyn as Petite Naked Woman Jonah D. Winston as Large Naked Man Frank Wiltse as Coach Leo Milano as Mitchell Brandon S. Lewis as Best Man Maureen Gallagher as Neighbor Shad Kunkle as Cop #1 Uncredited Anne Lockhart voices Dispatcher